ACFOX vs. AIOIX
Compare and contrast key facts about American Century Investments Focused Dynamic Growth Fund (ACFOX) and American Century International Opportunities Fund (AIOIX).
ACFOX is managed by American Century. It was launched on May 31, 2006. AIOIX is managed by American Century. It was launched on May 31, 2001.
Performance
ACFOX vs. AIOIX - Performance Comparison
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ACFOX vs. AIOIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ACFOX American Century Investments Focused Dynamic Growth Fund | -14.41% | 20.51% | 43.30% | 35.66% | -36.32% | 7.08% | 73.31% | 32.30% | 6.51% | 34.55% |
AIOIX American Century International Opportunities Fund | -0.42% | 29.62% | 1.31% | 8.63% | -30.19% | 5.79% | 31.07% | 28.95% | -22.19% | 45.09% |
Returns By Period
In the year-to-date period, ACFOX achieves a -14.41% return, which is significantly lower than AIOIX's -0.42% return. Over the past 10 years, ACFOX has outperformed AIOIX with an annualized return of 16.85%, while AIOIX has yielded a comparatively lower 6.96% annualized return.
ACFOX
- 1D
- -0.86%
- 1M
- -8.88%
- YTD
- -14.41%
- 6M
- -10.23%
- 1Y
- 19.65%
- 3Y*
- 21.09%
- 5Y*
- 6.51%
- 10Y*
- 16.85%
AIOIX
- 1D
- -0.92%
- 1M
- -13.82%
- YTD
- -0.42%
- 6M
- 1.74%
- 1Y
- 31.07%
- 3Y*
- 9.88%
- 5Y*
- 0.98%
- 10Y*
- 6.96%
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ACFOX vs. AIOIX - Expense Ratio Comparison
ACFOX has a 0.85% expense ratio, which is lower than AIOIX's 1.48% expense ratio.
Return for Risk
ACFOX vs. AIOIX — Risk / Return Rank
ACFOX
AIOIX
ACFOX vs. AIOIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Investments Focused Dynamic Growth Fund (ACFOX) and American Century International Opportunities Fund (AIOIX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| ACFOX | AIOIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.77 | 1.56 | -0.80 |
Sortino ratioReturn per unit of downside risk | 1.26 | 2.08 | -0.82 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.30 | -0.13 |
Calmar ratioReturn relative to maximum drawdown | 0.94 | 2.00 | -1.06 |
Martin ratioReturn relative to average drawdown | 3.40 | 8.50 | -5.09 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| ACFOX | AIOIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.77 | 1.56 | -0.80 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.26 | 0.05 | +0.21 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.71 | 0.37 | +0.34 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.52 | 0.52 | 0.00 |
Correlation
The correlation between ACFOX and AIOIX is 0.70, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
ACFOX vs. AIOIX - Dividend Comparison
ACFOX's dividend yield for the trailing twelve months is around 8.83%, more than AIOIX's 0.28% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACFOX American Century Investments Focused Dynamic Growth Fund | 8.83% | 7.56% | 0.00% | 0.00% | 0.00% | 2.48% | 0.62% | 0.00% | 0.00% | 0.00% | 1.15% | 1.33% |
AIOIX American Century International Opportunities Fund | 0.28% | 0.27% | 0.32% | 0.23% | 0.00% | 17.80% | 3.18% | 0.92% | 5.28% | 9.09% | 0.04% | 7.15% |
Drawdowns
ACFOX vs. AIOIX - Drawdown Comparison
The maximum ACFOX drawdown since its inception was -58.92%, smaller than the maximum AIOIX drawdown of -66.16%. Use the drawdown chart below to compare losses from any high point for ACFOX and AIOIX.
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Drawdown Indicators
| ACFOX | AIOIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.92% | -66.16% | +7.24% |
Max Drawdown (1Y)Largest decline over 1 year | -16.52% | -14.00% | -2.52% |
Max Drawdown (5Y)Largest decline over 5 years | -43.77% | -41.19% | -2.58% |
Max Drawdown (10Y)Largest decline over 10 years | -43.77% | -41.19% | -2.58% |
Current DrawdownCurrent decline from peak | -16.52% | -14.00% | -2.52% |
Average DrawdownAverage peak-to-trough decline | -14.81% | -16.12% | +1.31% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.56% | 3.29% | +1.27% |
Volatility
ACFOX vs. AIOIX - Volatility Comparison
The current volatility for American Century Investments Focused Dynamic Growth Fund (ACFOX) is 6.86%, while American Century International Opportunities Fund (AIOIX) has a volatility of 8.19%. This indicates that ACFOX experiences smaller price fluctuations and is considered to be less risky than AIOIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ACFOX | AIOIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.86% | 8.19% | -1.33% |
Volatility (6M)Calculated over the trailing 6-month period | 14.48% | 13.95% | +0.53% |
Volatility (1Y)Calculated over the trailing 1-year period | 24.83% | 19.37% | +5.46% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.20% | 18.59% | +6.61% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.67% | 18.70% | +4.97% |